Hardware + Software

DragonFly Sensor Module

DragonFly Sensor Module is a product designed to enable outdoor low-speed autonomous vehicles and robots. The design consists of four hardware-synced high-definition global-shutter cameras (a stereo pair in the front, and a stereo pair in the back), an IMU device, and a Jetson TX1 computing module. This design provides three major functions: perception, localization, and panoramic video streaming.

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Watch it in Action

Synchronized four way cameras

Synchronized 9-axis IMU unit

Jetson TX1

Perception

Localization

Video streaming

Raw image and IMU data recording

Obstacle avoidance

Visual odometery

Parallel driving

Perception

Effective Range (m)

4 ~ 25

Effecive Brightness (LUX)

500 ~ 95000

Frame Rate (FPS)

3

Mean Error of Depth (%)

5% (<10m)

10% (10 ~ 25m)

Localisation

Frame Rate (FPS)

10

Mean Error

1% (LUX > 55000)

0.3%~1% (150 < LUX < 55000)

1.3% (10 < LUX < 150)

Advantages

Advantages

Hardware

Software

Synchronized four way cameras

Synchronized 9-axis IMU unit

Jetson TX1

Ethernet/USB 3.0/HDMI interface software

Raw data capture

Perception- Obstacle and depth detection

Localization-Visual odometery

Four–way Video streaming

Typical Applications

Typical Applications

Autonomous Vehicles

Unmanned Automated Drones

Mobile Robots

Visual Map Creation

Specifications

Specifications

Body

Size

580 x 120 x 50mm

Weight

1.5kg

Material

Aluminium Alloy

Operating Temperature

0-60 degree celcius

IMU

IMU Device

MPU9250

Computing Module

Computing Unit

Jetson TX1

Interfaces

Gigabit Ethernet/USB 3.0/HDMI

Input Voltage

12V-19V

Power Consumption

5W-12W

Camera

Camera

Colour

Shutter Type

Global Shutter

Resolution

1280x720

Pixel Size

H: 3 um, V: 3 um

Optical Format

¼-inch (4.5mm)

Dynamic Range

63.9 dB

Maximum SNR

38 dB

White Balance

Automatic

Frame Rates

30 FPS

FOV

Horizontal: 80⁰ Vertical: 64⁰

Distortion

-1%(TV)

Baseline of Stereo Camera

50 cm

DragonFly 77GHz mmWave Radar

Based on pulse-echo principle, DragonFly Millimetre-Wave Radar(77GHz) is used to monitor the surroundings of the vehicle, such as Blind Spot Detection (BSD), Lane Change Assistance (LCA), Rear Cross Traffic Alert (RCTA) and Car Door Open Warning (DOW). In addition, it can be used on autonomous vehicles for active obstacle avoidance. For communication, Millimetre-Wave Radar consists of two CAN interfaces that are responsible for data exchange between radar and automobile, and two High- side Drivers that are used to drive external load directly.

Hybrid sandwich materials which is free of air intervals when the temperature is changed

Water Absorption

≤ 0.1% in the condition of 23℃/50%RH

Heat Resistance

No degeneration staying beyond 24h in the condition of +90℃ without ventilation

Anti-Ultraviolet Performance

Persistently

Tendency to Stick with Rain Drops

Low water adhesion

*﹡ The property can be different if synthetic material or density is different, even the same specific material is used.

DragonFly Sonar

DragonFly Sonar can recognize and monitor obstacles within 5 meters. It consists of a long-range ultrasonic sensor and an Electronic Control Unit (ECU). The Ultrasonic sensor can transmit short ultrasonic impulses reflected from surrounding objects. Advanced digital processing evaluates signal attributes of the reflected echoes and thus enable state-of-the-art object detection in terms of speed and robustness. DragonFly Sonar supports multichannel operation, providing high measuring update rates and avoiding mutual interference. In addition, DragonFly Sonar can be used on autonomous vehicles for passive obstacle avoidance. The number of sensors can be flexibly configured in lined with different functional requirements.

DragonFly RTK GNSS Module

The Global Navigation Satellite System (GNSS) is used on autonomous vehicles as a key element of the communication and navigation. The GNSS receiver consists of an antenna and a processor which computes position, time and some other information. Measurements from a minimum of four satellites are required to establish three-dimensional position and time. Accuracy is dependent on the precision of the measurements from the satellites and the relative positions (geometry) of the satellites used.

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Advantages

Advantages

Support GPS, GLONASS, Beidou and Galileo signals reception

Stable phase center guarantees the accuracy of positioning within millimeter-level

Please do not hesitate to contact us at [email protected] for more information
or simply give us a call at +65 6694 6278 for more assistance.

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